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Lua i Stíl Chicago (17ú heag.)Gherghina, Sergiu. Political Participation and Sustainability: Exploring Contemporary Challenges. Basel, Switzerland: MDPI - Multidisciplinary Digital Publishing Institute, 2021.
Lua MLA (8ú heag.)Gherghina, Sergiu. Political Participation and Sustainability: Exploring Contemporary Challenges. MDPI - Multidisciplinary Digital Publishing Institute, 2021.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.